IS43R32800B-6BLI ISSI, Integrated Silicon Solution Inc, IS43R32800B-6BLI Datasheet - Page 9

• Manufacturer Part Number: IS43R32800B-6BLI
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: DDR SDRAMr

Specifications of IS43R32800B-6BLI

• Organization: 8Mx32
• Density: 256Mb
• Address Bus: 14b
• Access Time (max): 700ps
• Maximum Clock Rate: 333MHz
• Operating Supply Voltage (typ): 2.5V
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 2.7V
• Operating Supply Voltage (min): 2.3V
• Pin Count: 144
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

FUNCTIONAL TRUTH TABLE (continued)
IS43R32800B
Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00D
03/19/08
ACTI VATING
C HARGI NG
Current State
COVERING
WRITER E-
PR E-
ROW
/CS /RAS /CAS /W E Address
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
L
H
H
H
H
H
H
X
L
L
L
X
L
L
L
L
X
L
L
L
L
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
X
X
H
X
X
H
X
X
H
H
H
L
H
H
L
H
H
L
L
L
L
L
L
L
X
BA
BA , C A, A8
BA , R A
BA , A 8
Op-C ode, M ode-
Add
X
BA
BA , C A, A8
BA , R A
BA , A 8
Op-C ode, M ode-
Add
X
BA
BA , C A, A8
BA , R A
BA , A 8
Op-C ode, M ode-
Add
X
X
X
X
X
X
Command
ACT
NOP
READ / WRITE
A CT
NOP
MR S
NOP
ACT
DES EL
PRE / PRE A
REF A
DES EL
PRE / PRE A
REF A
DESEL
PRE / PRE A
REF A
MRS
MRS
TERM
TERM
READ / WRITE
TERM
READ / WRITE
I LLEGAL
I LLEG AL
I LLEG AL
I LLEGAL
I LLEGAL
I LLEGAL
I LLEGAL
I LLEGA L
Action
NOP (I dle after tRP)
NOP (I dle after tRP)
IL LEG AL
IL LEG AL
IL LE GA L
NOP (I dle after tRP)
NOP (R ow Active after tRC D)
NOP (R ow Active after tRC D)
IL LEG AL
IL LEG AL
IL LE GA L
NOP
NOP
IL LE GA L
IL LE GA L
IL LEGA L
Notes
2
2
2
4
2
2
2
2
2
2
2
2
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